Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was found in ahujasid blender-mcp up to 7636d13bded82eca58eb93c3f4cd8708dfdfbe8b. The affected element is the function requests.get of the file src/blender_mcp/server.py of the component ZIP File Handler. The manipulation of the argument zip_file_url results in server-side request forgery. The attack can be executed remotely. The exploit has been made public and could be used. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. The patch is identified as 5b37be25242e73dc4cf1328974d30458b9e5d67e. It is advisable to implement a patch to correct this issue.
AnalysisAI
Server-side request forgery in blender-mcp's ZIP File Handler allows authenticated remote attackers to manipulate the zip_file_url parameter in import_generated_asset_hunyuan, causing the MCP server to issue arbitrary outbound HTTP requests on behalf of the attacker - including to internal network resources such as cloud metadata endpoints. All rolling-release commits up to 7636d13bded82eca58eb93c3f4cd8708dfdfbe8b are affected, per CPE cpe:2.3:a:ahujasid:blender-mcp:*:*:*:*:*:*:*:*. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS vector PR:L confirms that exploitation requires low-privilege authenticated access to the blender-mcp MCP server - unauthenticated exploitation is not supported by available data. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 6.3 Medium score is grounded in the PR:L authentication requirement, which meaningfully constrains the attack surface relative to unauthenticated SSRF. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A publicly available exploit exists via GitHub issue #203. An attacker with low-privilege authenticated access to a network-exposed blender-mcp MCP server submits a crafted tool invocation targeting import_generated_asset_hunyuan with zip_file_url set to an internal address such as http://169.254.169.254/latest/meta-data/iam/security-credentials/ (AWS IMDSv1). … |
| Remediation | The upstream fix is available via PR #205 (https://github.com/ahujasid/blender-mcp/pull/205) and commit 5b37be25242e73dc4cf1328974d30458b9e5d67e (https://github.com/bergskenop/blender-mcp/commit/5b37be25242e73dc4cf1328974d30458b9e5d67e). … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-34037
GHSA-5hr7-6m56-f3rg